/*
 * <one line to give the program's name and a brief idea of what it does.>
 * Copyright (C) 2019
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef DATABASEMEMORY_H
#define DATABASEMEMORY_H

#include "db.hpp"
#include <mutex>
#include <queue>

class DBMemory : public DataBase {
public:
	DBMemory(const std::size_t lenght);
	DBMemory(const DBMemory & other) = delete;
	virtual ~DBMemory();

	void put(void * data, const std::size_t & size) override;
	bool get(void * data, const std::size_t & size) override;
	std::size_t size() override;
	bool empty() override;
	void erase() override;

	std::size_t addBuilds(std::vector< PathData > * data, PathData * build, DataBase * queue) override;
	bool updateBuild(PathData * data) override;

private:
	std::mutex m_Mutex;									/**< mutex for multithread working */
	std::queue<char *> m_Data;							/**< data storage */
	std::size_t m_Length;								/**< max length to store */
};

#endif // DATABASEMEMORY_H
